diff --git a/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicConfigAndQueueMapping.java b/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicConfigAndQueueMapping.java
index dea1bc3465a3a4aac880de9ac831b1d62f883fcb..af891d03d984f406e44cb65b751c7e42a7f28cc5 100644
--- a/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicConfigAndQueueMapping.java
+++ b/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicConfigAndQueueMapping.java
@@ -32,4 +32,8 @@ public class TopicConfigAndQueueMapping extends TopicConfig {
     public TopicQueueMappingDetail getMappingDetail() {
         return mappingDetail;
     }
+
+    public void setMappingDetail(TopicQueueMappingDetail mappingDetail) {
+        this.mappingDetail = mappingDetail;
+    }
 }
diff --git a/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicQueueMappingInfo.java b/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicQueueMappingInfo.java
index ba5af9b83f8fd0079f0041fcd2afb4980d0875d1..7636fd5d8a97bf63eee5728a3fbaecc32be05e01 100644
--- a/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicQueueMappingInfo.java
+++ b/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicQueueMappingInfo.java
@@ -92,4 +92,6 @@ public class TopicQueueMappingInfo extends RemotingSerializable {
     public void setCurrIdMap(ConcurrentMap<Integer, Integer> currIdMap) {
         this.currIdMap = currIdMap;
     }
+
+
 }
diff --git a/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicQueueMappingOne.java b/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicQueueMappingOne.java
index d802575a6dbd5068f24b22a997e316a73df5c1ef..801cd67eb156a54b67ad584e83d0911d6ae2b38d 100644
--- a/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicQueueMappingOne.java
+++ b/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicQueueMappingOne.java
@@ -16,7 +16,6 @@
  */
 package org.apache.rocketmq.common.statictopic;
 
-import com.google.common.collect.ImmutableList;
 import org.apache.rocketmq.remoting.protocol.RemotingSerializable;
 
 import java.util.List;
diff --git a/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicRemappingDetailWrapper.java b/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicRemappingDetailWrapper.java
index 80742dc06de461591a2650a5c10f94403a6e19d3..e865b6b34a047853dc596f406a5257958ee80177 100644
--- a/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicRemappingDetailWrapper.java
+++ b/common/src/main/java/org/apache/rocketmq/common/statictopic/TopicRemappingDetailWrapper.java
@@ -15,9 +15,9 @@ public class TopicRemappingDetailWrapper extends RemotingSerializable {
     public static final String SUFFIX_AFTER = ".after";
 
 
-    private final String topic;
-    private final String type;
-    private final long epoch;
+    private String topic;
+    private String type;
+    private long epoch;
 
     private Map<String, TopicConfigAndQueueMapping> brokerConfigMap = new HashMap<String, TopicConfigAndQueueMapping>();
 
@@ -25,6 +25,10 @@ public class TopicRemappingDetailWrapper extends RemotingSerializable {
 
     private Set<String> brokerToMapOut = new HashSet<String>();
 
+    public TopicRemappingDetailWrapper() {
+
+    }
+
     public TopicRemappingDetailWrapper(String topic, String type, long epoch, Map<String, TopicConfigAndQueueMapping> brokerConfigMap, Set<String> brokerToMapIn, Set<String> brokerToMapOut) {
         this.topic = topic;
         this.type = type;
@@ -57,4 +61,28 @@ public class TopicRemappingDetailWrapper extends RemotingSerializable {
     public Set<String> getBrokerToMapOut() {
         return brokerToMapOut;
     }
+
+    public void setBrokerConfigMap(Map<String, TopicConfigAndQueueMapping> brokerConfigMap) {
+        this.brokerConfigMap = brokerConfigMap;
+    }
+
+    public void setBrokerToMapIn(Set<String> brokerToMapIn) {
+        this.brokerToMapIn = brokerToMapIn;
+    }
+
+    public void setBrokerToMapOut(Set<String> brokerToMapOut) {
+        this.brokerToMapOut = brokerToMapOut;
+    }
+
+    public void setTopic(String topic) {
+        this.topic = topic;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public void setEpoch(long epoch) {
+        this.epoch = epoch;
+    }
 }